#include <stdio.h>
int main() {
 
    float salmin, kwgasto;
    float custokw, custoconsumo, custodesconto;
 
    printf("Digite o valor do salário mínimo:");
    scanf("%f", &salmin);
 
    printf("Digite a quantidade de kW gastos:");
    scanf("%f", &kwgasto);
 
    custokw=7*salmin/1000;
    custoconsumo=custokw*kwgasto;
    custodesconto=custoconsumo*0.9;
 
    printf("Custo por kW: R$ %.2lf\n", custokw);
    printf("Custo do consumo: R$ %.2lf\n", custoconsumo );
    printf("Custo com desconto: R$ %.2lf\n", custodesconto);
 
    return 0;
}

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